This is an alternative way of using a matte generated from a key that retains fine detail that an normal over node on its own cannot do.

Simple subtractive compositing grade tool with extra features like, saturation, contrast and masking.

Match the grade of different plates and export a CDL node using copyCat

Grade multiple CG AOVS sets i.e. Indirect_diffuse and direct_diffuse (with the option of dividing by the albedo)